PROBLEM TO BE SOLVED: To suitably control a vehicular power supply device even if communication abnormality occurs.SOLUTION: A vehicular power supply device 10 mounted on a vehicle comprises: a lithium-ion battery 27 which is connected to a motor generator 16; a lead-acid battery 28 which is connected to the motor generator 16 in parallel with the lithium-ion battery 27; a battery controller 45 for controlling an opening/closing switch SW1 which connects the motor generator 16 and the lithium-ion battery 27, and an opening/closing switch SW2 which connects the motor generator 16 and the lead-acid battery 28; and a charge/discharge controller 51 which indicates opening/closing operation of the opening/closing switch SW1 and opening/closing operation of the opening/closing switch SW2 to the battery controller 45. When communication abnormality between the battery controller 45 and the charge/discharge controller 51 is detected, the battery controller 45 opens the opening/closing switch SW1 and closes the opening/closing switch SW2.SELECTED DRAWING: Figure 2

    【課題】通信異常が発生した場合であっても、車両用電源装置を適切に制御する。【解決手段】車両に搭載される車両用電源装置10であって、モータジェネレータ16に接続されるリチウムイオンバッテリ27と、リチウムイオンバッテリ27と並列に、モータジェネレータ16に接続される鉛バッテリ28と、モータジェネレータ16とリチウムイオンバッテリ27とを接続する開閉スイッチSW1を制御し、モータジェネレータ16と鉛バッテリ28とを接続する開閉スイッチSW2を制御するバッテリコントローラ45と、開閉スイッチSW1の開閉動作と開閉スイッチSW2の開閉動作とをバッテリコントローラ45に指示する充放電コントローラ51と、を有し、バッテリコントローラ45と充放電コントローラ51との通信異常が検出された場合に、バッテリコントローラ45は、開閉スイッチSW1を開き、かつ開閉スイッチSW2を閉じる。【選択図】図2


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    Title :

    VEHICULAR POWER SUPPLY DEVICE


    Additional title:

    車両用電源装置


    Contributors:

    Publication date :

    2016-11-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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